28.To tilt the gantry forward(+) or backward(-),press the respective buttons on the gantry panel.The tilt range is from -30 to +30 degrees .Zero(0) indicate that the gantry is in the vertical position.
https://www.shititong.cn/cha-kan/shiti/0005fdd9-df80-4bb8-c01e-d01877db4300.html
点击查看题目
32.Three types of magnet exist commercially :superconducting electromagnet ,resistive electromagnet and permanent electromagnet.
https://www.shititong.cn/cha-kan/shiti/0005fdd9-df80-4fa0-c01e-d01877db4300.html
点击查看题目
12.Without artificial help,DR can direct transform the X-ray passing through patients into digital images, save and display them in the computer.
https://www.shititong.cn/cha-kan/shiti/0005fdd9-df80-3830-c01e-d01877db4302.html
点击查看题目
13.The flat panel detects the X-rays that have passed through the patient’body, converts them into electrical signals using X-ray scintillation effects, and sends the signals (digital image signals )to the digital radiography system.
https://www.shititong.cn/cha-kan/shiti/0005fdd9-df80-3c18-c01e-d01877db4300.html
点击查看题目
2.Many diseases in clinical departments are required to achieve the definite diagnosis by the exam of radiology equipment.
https://www.shititong.cn/cha-kan/shiti/0005fdd9-df80-2c78-c01e-d01877db4301.html
点击查看题目
52.DICOM differs from some, but not all, data formats in that it groups information into data sets. That means that a file of a chest X-ray image, for example, actually contains the patient ID within the file, so that the image can never be separated from this informatio by mistake.
https://www.shititong.cn/cha-kan/shiti/0005fdd9-df80-5f40-c01e-d01877db4302.html
点击查看题目
4.Take routine and some special radiography,operate machine in concert with diagnosis doctors to ensure the image quality ,complete the emergency rescue work with the diagnosis doctors.
https://www.shititong.cn/cha-kan/shiti/0005fdd9-df80-3060-c01e-d01877db4301.html
点击查看题目
48.A full PACS should provide a single point of access for images and their associated data. That is, it should support all digital modalities, in all departments, throughout the enterprise.
https://www.shititong.cn/cha-kan/shiti/0005fdd9-df80-5b58-c01e-d01877db4302.html
点击查看题目
14.Stable output with less noise and ripple can be obtained under all radiographic conditions because a high-frequency inverter is used .
https://www.shititong.cn/cha-kan/shiti/0005fdd9-df80-3c18-c01e-d01877db4301.html
点击查看题目
47.The client fills in the C-FIND request message with the keys that should be matched. E.g. the patient ID.
https://www.shititong.cn/cha-kan/shiti/0005fdd9-df80-5b58-c01e-d01877db4301.html
点击查看题目
